Prognostic Factors of Breast Neoplasms Detected on Screening by Mammography and Physical Examination

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Abstract
A total of 183 neoplasms detected on screening women between the ages of 45 and 64 by mammography and physical examination were analyzed according to multiple histologic parameters. In general, tumors apparent only on mammography should be associated with favorable long-term survival because of their early stage. These lesions had histologic features indicating significant potential for subsequent metastatic spread. Mammographic screening of asymptomatic women above and below 50 yr of age apparently can substantially reduce breast cancer mortality.